FIG. 7.

(a) The E map of the right breast of subject 1 in phase I indicating a 2.4 × 2.5 cm lesion at 3 o’clock on the border of nipple, consistent with an irregular mass with a spiculated margin in the subareolar region found in (b) the mammography of the same breast shown in (a); (c) the E map of the right breast of subject 2 in phase II, indicating a 1.5 × 2.1 cm lesion at 5 o’clock and 4 cm from nipple and a 2.4 × 2.0 cm lesion at 7 o’clock and 4 cm from nipple, both confirmed by pathology as DCIS but missed by (d) the mammography of the same breast shown in (c), which showed a dense breast with no visible sign of lesions; (e) the E map of the left breast of subject 3 in phase III, indicating a 1.9 × 1.3 cm lesion at 3 o’clock and 5 cm from nipple, which was confirmed by biopsy as an invasive carcinoma and shown by (f) the mammogram of the same breast in (e); (g) the E map of the right breast and (h) that of the left breast of subject 4 in phase IV obtained within 30 min indicating a 1.9 × 2.1 cm lesion at 10 o’clock and 6 cm from the nipple in the right breast which was confirmed as an invasive carcinoma by biopsy while no lesions in the left breast, which was consistent with the results of mammography.